ldube commented on issue #19201:
URL: https://github.com/apache/nuttx/issues/19201#issuecomment-4789777416
I doubt it will work without making code changes. The conceptual layout of
your interrupt decoder should look like this.
```C
uint32_t *arm_decodeirq(uint32_t *regs)
{
#ifdef CONFIG_SUPPRESS_INTERRUPTS
err("ERROR: Unexpected IRQ\n");
PANIC();
#else
/* Check which IRQ fires */
uint32_t irqbits = vic_getreg(VIC_IRQSTATUS_OFFSET) & 0xffffffff;
unsigned int irq;
for (irq = 0; irq < NR_IRQS; irq++)
{
if (irqbits & (uint32_t) (1 << irq))
{
break;
}
}
/* Verify that the resulting IRQ number is valid */
if (irq < NR_IRQS)
{
/* Deliver the IRQ */
regs = arm_doirq(irq, regs);
}
#endif
return regs;
}
```
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